Oh no! Despite what I thought was careful inspection over the past few weeks, today I had a closer look because most of the zucchini plants have stopped producing or the new zucchinis are white instead of yellow.
Sure enough, borers confirmed with visual identification in the main vines (low, close to ground) of...:
- one of the useless plants in the west bed that never produced anything and never looked like it was ever going to
- a side-shoot of the southmost one south of the air conditioner
- a side-shoot of the southmost one near the kitchen door
And, when I had a closer look at the other plants that still seem healthy -- borer evidence in their vines too!!!! (also low to the ground)
So, injected btk in the vines of all remaining plants, except the green one near the kitchen door because there are SO many leaves/stems which hamper inspection, and the bits of the stem I can see look fine.
Even the plant that still looks vigorous/productive, right next to the living room door, also had clear borer damage evidence near the ground! And I had reallllly been monitoring that plant closely since it's been so healthy, wanted to keep it that way.
Now to wait and see if any of these plants manage to make it to first frost.
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